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Process for preparing aromatic olefins in the presence of palladium catalysts comprising phosphite ligands

  • US 6,291,383 B1
  • Filed: 06/04/1999
  • Issued: 09/18/2001
  • Est. Priority Date: 06/06/1998
  • Status: Expired due to Fees
First Claim
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1. A process for preparing monofunctional, bifunctional or/and polyfunctional olefins of the formulae (Ia), (Ib), (Ic) or/and (Id), whereR1 to R3 are, independently of one another, hydrogen, (C1-C8)-alkyl, CN COOH, COO-alkyl-(C1-C8), aryl-(C6-C10), COO-aryl-(C6-C10), CO-aryl-(C6-C10), O-alkyl-(C1-C8), O—

  • CO-alkyl-(C1-C8), N-alkyl2-(C1-C8) and aryl is an aromatic radical containing up to 14 carbon atoms, where this radical may bear up to five substituents which are, independently of one another, hydrogen, (C1-C8)-alkyl, O-alkyl-(C1-C8), OCO-alkyl-(C1-C8), O-phenyl, phenyl, aryl, fluorine, chlorine, OH, NO2, Si(alkyl-(C1-C8))3,CN, COOH, CHO, SO3H, NH2, NH-alkyl-(C1-C8), N-alkyl2-(C1-C8), P-alkyl2-(C1-C8), SO2-alkyl-(C1-C6), SO-alkyl-(C1-C6), CF3, NHCO-alkyl-(C1-C4), COO-alkyl-(C1-C8), CONH2, CO-alkyl-(C1-C8), NHCOH, NHCOO-alkyl-(C1-C4), CO-phenyl, COO-phenyl, CHCH—

    CO2-alkyl-(C1-C8), P(phenyl)2, CHCHCO2H, PO-phenyl2, POalkyl2-(C1-C4), PO3H2, PO(O-alkyl-(C1-C6))2, SO3-alkyl-(C1-C4) where aryl is as defined above, and where R1a to R7a are, independently of one another, hydrogen, (C1-C8)-alkyl, O-alkyl-(C1-C8), OCO-alkyl-(C1-C8), O-phenyl, phenyl, aryl, fluorine, chlorine, OH, NO2, Si(alkyl-(C1-C8))3, CN, COOH, CHO, SO3H, NH2, NH-alkyl-(C1-C8), N-alkyl2-(C1-C8), P-alkyl2-(C1-C8), SO2-alkyl-(C1-C6)-alkyl-(C1-C6), CF3, NHCO-alkyl-(C1-C4), COO-alkyl-(C1-C8), CONH2, CO-alkyl-(C1-C8), NHCOH, NHCOO-alkyl-(C1-C4), CO-phenyl, COO-phenyl, CHCH—

    CO2-alkyl-(C1-C8), P(phenyl)2, CHCHCO2H, PO-phenyl2, POalkyl2-(C1-C4), PO3H2, PO(O-alkyl-(C1-C6))2, SO3-alkyl-(C1-C4), where aryl is as defined above, and is a heteroaromatic, where the heteroaromatic Ar can be a substituted 5-, 6- or 7-membered ring containing, if desired, nitrogen, oxygen or sulfur atoms in the ring, where further aromatic, heteroaromatic and/or aliphatic rings can be fused onto the ring, and where the heteroaromatic can have substituents which are, independently of one another, hydrogen, (C1-C8)-alkyl, O-aryl, aryl, fluorine, chlorine, OH, NO2, CN, CO2H, CHO, SO3H, NH2, NH-alkyl-(C1-C12), N-alkyl2-(C1-C12), CHCHCO2H, NHCO-alkyl-(C1-C12), CO-alkyl-(C1-C12), NHCHO, COaryl, CO2aryl, CF3, CONH2, POaryl2, POalkyl2-(C1-C12), Si(alkyl-(C1-C2))3,O-alkyl-(C1-C8), OCO-alkyl-(C1-C8), O-phenyl, phenyl, NH-alkyl-(C1-C4), COO-alkyl-(C1-C8), NHCOO-alkyl-(C1-C4), CO-phenyl, COO-phenyl, CHCH—

    CO2-alkyl-(C1-C8), PO-phenyl2, PO3H2, SO3-alkyl-(C1-C4), SO2-alkyl-(C1-C4), SO-alkyl-(C1-C4), where aryl is as defined above, and where R8a to R10a are, independently of one another, hydrogen, CN, CO2H, CO2-alkyl-(C1-C8), CONH2, CONH-alkyl-(C1-C4), CON-(alkyl)2-(C1-C4), fluorine, CO2-phenyl, alkyl-(C1-C8)yl, phenyl, aryl, PO(phenyl)2, PO[alkyl-(C1-C4)]2, CO-phenyl, CO-alkyl-(C1-C4), O-alkyl-(C1-C4), CONH-alkyl-(C1-C8), CONH-alkyl-(C1-C8)2,NH-alkyl-(C1-C4), PO3H2, SO3H, SO3-alkyl-(C1-C4), SO2-alkyl-(C1-C4), O-phenyl, where aryl is as defined above, by reacting haloaromatics, haloolefins or/and heterohaloaromatics of the formulae (IIa), (IIb), (IIc) or/and (IId) with olefins of the fornula (III), where, in the formulae of the type II and III, R1 to R3 and R1a to R10a are as defined above for the formulae of the type (I) and where X is iodine, bromine, chlorine, OSO2CF3, OSO2-phenyl, OSO2-tolyl, OSO2-alkyl-(C1-C8), wherein a mixture of a palladium(0) complex or a palladium(II) salt with phosphite ligands of the formulae (IVa) or/and (IVb), the formula (IVb) represents a chelating phosphite ligand and where the radicals R11a to R14a are identical or different and are each, independently of one another, (C1-C18)-alkyl or/and a substituted (C1-C18)-alkyl group having the substituents hydrogen, O-alkyl-(C1-C8), O—

    CO-alkyl-(C1-C8), O-phenyl, phenyl, fluorine, chlorine, OH, NO2, CN, COOH, CHO, SO3H, SO2-alkyl-(C1-C8), SO-alkyl-(C1-C8), NH2, NH-alkyl-(C1-C8), N-alkyl2-(C1-C8), NHCO-alkyl-(C1-C4), CF3, COO-alkyl-(C1-C8), CONH2, CO-alkyl-(C1-C8), NHCOH, NHCOO-alkyl-(C1-C4), CO-phenyl, COO-phenyl, CHCH—

    CO2-alkyl-(C1-C8), CHCHCO2H, PO-phenyl2, POalkyl2-(C1-C8), or the radicals R11a to R14 are an aromatic Ar′

    , where Ar′

    is a substituted phenyl, naphthyl, anthryl, phenanthryl or biphenyl radical or/and a 5-, 6- or 7-membered heteroaromatic containing, optionally nitrogen, oxygen or sulfur atoms in the ring, where the aromatics may contain up to ten substituents which are (C1-C8)-alkyl, OAr′

    , Ar′

    , fluorine, chlorine, OH, NO2, CN, CO2H, CHO, SO3H, NH2, NH-alkyl-(C1-C12), N-alkyl2-(C1-C12), NHCO-alkyl-(C1-C12), CO-alkyl-(C1-C12), NHCHO, COAr′

    , CO2Ar′

    , CF3, CONH2, CHCHCO2H, POAr′

    s, POalkyl2-(C1-C12), Si(alkyl-(C1-C12))3,O-alkyl-(C1-C8), OCO-alkyl-(C1-C8), O-phenyl, phenyl, COO-alkyl-(C1-C8), NHCOO-alkyl-(C1-C4), CO-phenyl, COO-phenyl, CHCH—

    CO2-alkyl-(C1-C8), PO-phenyl2, PO3H2, SO3-alkyl-(C1-C4), SO2-alkyl-(C1-C4), SO-alkyl-(C1-C8), where the carbon bridge of the phosphite ligand C2 to C4 may have up to four substituents which are identical or different and are, hydrogen, (C1-C4)-alkyl, O-alkyl-(C1-C4), OH, aryl or/and phenyl, where aryl is as defined above.

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